214231205 has 4 divisors (see below), whose sum is σ = 257077452. Its totient is φ = 171384960.

The previous prime is 214231189. The next prime is 214231219. The reversal of 214231205 is 502132412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168844036 + 45387169 = 12994^2 + 6737^2 .

It is not a de Polignac number, because 214231205 - 2⁴ = 214231189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21423116 + ... + 21423125.

It is an arithmetic number, because the mean of its divisors is an integer number (64269363).

Almost surely, 2^214231205 is an apocalyptic number.

It is an amenable number.

214231205 is a deficient number, since it is larger than the sum of its proper divisors (42846247).

214231205 is an equidigital number, since it uses as much as digits as its factorization.

214231205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42846246.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 214231205 is about 14636.6391292537. The cubic root of 214231205 is about 598.3577359007.

Adding to 214231205 its reverse (502132412), we get a palindrome (716363617).

The spelling of 214231205 in words is "two hundred fourteen million, two hundred thirty-one thousand, two hundred five".